Home / 191,506,712.40-287,260,068.60-133,056,075.60

Finding the Fourth Proportional to 191,506,712.40, 287,260,068.60 and 133,056,075.60

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Solution

The fourth proportional to 191,506,712.40, 287,260,068.60 and 133,056,075.60 is: 199,584,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,506,712.40 : 287,260,068.60 = 133,056,075.60 : x
  2. Step 2: Convert to fraction form
    191,506,712.40/287,260,068.60 = 133,056,075.60/x
  3. Step 3: Cross multiply
    191,506,712.40x = 287,260,068.60 × 133,056,075.60
  4. Step 4: Simplify right side
    191,506,712.40x = 38,221,697,404,502,784
  5. Step 5: Solve for x
    x = 38,221,697,404,502,784/191,506,712.40
  6. Step 6: Final answer
    x = 199,584,113.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.