Home / 191,590,081.11-287,566,810.47-118,586,030.94

Finding the Fourth Proportional to 191,590,081.11, 287,566,810.47 and 118,586,030.94

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Solution

The fourth proportional to 191,590,081.11, 287,566,810.47 and 118,586,030.94 is: 177,991,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,590,081.11 : 287,566,810.47 = 118,586,030.94 : x
  2. Step 2: Convert to fraction form
    191,590,081.11/287,566,810.47 = 118,586,030.94/x
  3. Step 3: Cross multiply
    191,590,081.11x = 287,566,810.47 × 118,586,030.94
  4. Step 4: Simplify right side
    191,590,081.11x = 34,101,406,683,712,540
  5. Step 5: Solve for x
    x = 34,101,406,683,712,540/191,590,081.11
  6. Step 6: Final answer
    x = 177,991,503.98

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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.