Home / 78,730,017.42-118,248,275.98-64,167,697.48

Finding the Fourth Proportional to 78,730,017.42, 118,248,275.98 and 64,167,697.48

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Solution

The fourth proportional to 78,730,017.42, 118,248,275.98 and 64,167,697.48 is: 96,376,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,730,017.42 : 118,248,275.98 = 64,167,697.48 : x
  2. Step 2: Convert to fraction form
    78,730,017.42/118,248,275.98 = 64,167,697.48/x
  3. Step 3: Cross multiply
    78,730,017.42x = 118,248,275.98 × 64,167,697.48
  4. Step 4: Simplify right side
    78,730,017.42x = 7,587,719,600,616,190
  5. Step 5: Solve for x
    x = 7,587,719,600,616,190/78,730,017.42
  6. Step 6: Final answer
    x = 96,376,450.17

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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.