Home / 98,334,643.60-147,501,965.40-47,316,307.60

Finding the Fourth Proportional to 98,334,643.60, 147,501,965.40 and 47,316,307.60

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Solution

The fourth proportional to 98,334,643.60, 147,501,965.40 and 47,316,307.60 is: 70,974,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,334,643.60 : 147,501,965.40 = 47,316,307.60 : x
  2. Step 2: Convert to fraction form
    98,334,643.60/147,501,965.40 = 47,316,307.60/x
  3. Step 3: Cross multiply
    98,334,643.60x = 147,501,965.40 × 47,316,307.60
  4. Step 4: Simplify right side
    98,334,643.60x = 6,979,248,366,470,958
  5. Step 5: Solve for x
    x = 6,979,248,366,470,958/98,334,643.60
  6. Step 6: Final answer
    x = 70,974,461.40

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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.